This workshop service repair manual covers the Ducati Monster 400 and 620 models from the Early 2nd Generation, specifically for the years 2006 through 2009. Renowned for its iconic trellis frame and the distinctive Ducati L-twin Desmodromic engine, the Monster series offers a unique blend of performance, minimalist Italian design, and an engaging riding experience. These models are celebrated for their rider connection and handling, making them a popular choice for enthusiasts. This manual provides comprehensive guidance tailored to these celebrated sport naked motorcycles.

This manual is designed to be an indispensable resource for owners, technicians, and mechanics. It details a wide range of maintenance procedures, including scheduled servicing, fluid changes, and the critical Desmodromic valve clearance checks. Comprehensive repair instructions cover all major systems, from the engine and transmission, including the characteristic dry clutch, to the chassis, suspension, brakes, and electrical systems. Diagnostic procedures and troubleshooting tips are also included to help identify and resolve common issues, ensuring the optimal performance and longevity of your Ducati Monster.